diff --git a/site-modules/profile/lib/facter/ceph_mgr_modules.rb b/site-modules/profile/lib/facter/ceph_mgr_modules.rb
index 4dd70adb..a82cfcaf 100644
--- a/site-modules/profile/lib/facter/ceph_mgr_modules.rb
+++ b/site-modules/profile/lib/facter/ceph_mgr_modules.rb
@@ -1,14 +1,14 @@
 require 'json'
 
 Facter.add('ceph_mgr_modules') do
   setcode do
     if File.exist?('/var/lib/ceph/mgr')
       data = Facter::Core::Execution.execute('ceph mgr module ls').strip
-      if data
+      if !data.empty?
         JSON.parse(data)
       else
         {}
       end
     end
   end
 end